A Novel Natural Gas Liquids Recovery Process from Oil Field Associated Gas with LNG Cryogenic Energy Utilization

Hai Jun Bian; Wen Dong Xu; Xiu Xi Li; Yu Qian

doi:10.4028/www.scientific.net/AMR.236-238.820

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 236-238A Novel Natural Gas Liquids Recovery Process from...

A Novel Natural Gas Liquids Recovery Process from Oil Field Associated Gas with LNG Cryogenic Energy Utilization

Abstract:

A novel LNG cryogenic energy utilization process to recovery natural gas liquids from oil field associated gas is proposed. The proposed process uses the cryogenic energy of LNG and saves 62.6% of electricity, which is compared to the current electric refrigeration process. The proposed process recovers ethane, liquid petroleum gas (propane and butane) and heavier hydrocarbons, with total recovery rate of natural gas liquids up to 96.8%. Exergy analysis method is used to assess the new process. The results show that exergy efficiency of the new process is 44.3%, and compared to the current electric refrigeration process, exergy efficiency of the new process is improved by 16%. The proposed process has been applied in a conceptual design scheme of the cryogenic energy utilization and implemented for a 300 million tons/yr LNG receiving terminal in a northern Chinese harbor.

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Periodical:

Advanced Materials Research (Volumes 236-238)

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820-824

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.236-238.820

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Online since:

May 2011

Authors:

Hai Jun Bian, Wen Dong Xu, Xiu Xi Li, Yu Qian

Keywords:

Exergy Analysis, Liquefied Natural Gas, Recovery of Natural Gas Liquids, Utilization of Cryogenic Energy

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